#########################################################################
#  -*- coding:utf-8 -*-
#  File Name: random.py
#  Author: lcs
#  Mail: 15224800531@163.com
#  Created Time: 2017-07-28 16:31:03
#########################################################################

#/usr/bin/python
import random

num = random.randint(1,100)
while True:
    try:
        input_num = int(raw_input('Pls. input a number(1-100):'))
        if (input_num > num):
            print('Big!')
        elif (input_num < num):
            print('Small!')
        else:
            print('Yes! This number is %d' % num)
            break
    except (ValueError):
        print('Input Error!')
    except KeyboardInterrupt:
        exit()
